真的是这样呢。。太神奇了，，可是为什么明明没有绿色却能看到绿色呢？。。

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为什么我看到的球是静止的呢？

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　我的眼睛顺着粉红色的点移动，我不但能看到粉红还会看到黑色的"+"。我盯着中间的黑色的“+”，运动的点会变成绿色。我继续盯住黑色的“+”过一会儿，我不能说所有的粉红色消失，我只能说是部分的消失,因为我同时也看到了绿色.两点同时运动
　 不能怪我的眼睛有问题,我近视

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BTW, for those who have used the "Color Balance" tool in Photoshop, you will know something about this "complementary colour" concept.

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sorry, typo in the first sentense: It is not "Green" but "Cyan"

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Let me try to explain this:
First of all, it is "Green" but "Cyan."
Colour is distinguishable when breaking down the iodopsin of cone cells(one kind of visional cell, the other one is called rods) because there are three forms of this protein. One form is broken down by the particular EM wavelength that is red light, another green light, and lastly blue light. In simple terms, this allows human beings to see red, green and blue light.
In this sense, human eyes use a additive colour system to produce colour. R(red), G(green), B(blue) are called the primary colour.
For each primary colour, there is a complementary colour. Cyan for Red, Magenta for Green, Yellow for Blue. The complementary colour of one colour is just a even combination of the other two primary colour. For instance in this case, Magenta and yellow will produce Cyan.
In our case, because our background is grey, that means at the position of red point, not only indopsins for red are broken down, but also those for blue and green.
So when the red colour of position n disappear, the form of indopsin corresponding to Red recovers immediately, only left blue and green form of indopsin in broken form. and this two colour will produce the complementary colour for Red, which is Cyan.

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倒。。楼下的例子搞笑

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茅房里的石头, "你盯着一个人看，边上的人会慢慢的消失，眼里只有她" 这算是视觉错误吗？

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可通过视觉反应的传输时间差和红色的感光视觉残留解释

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恐怖。
可不可以这样理解，你盯着一个人看，边上的人会慢慢的消失，眼里只有她！哈哈

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牛…………
有没有什么方法解释呢………………

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小牛...

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